It should have cutting edge layouts and high technology displays to improve the general appearance of your car’s interior. It would be okay if you consider aa multi-line display, it will help you see an album, artist information and dings without straining a lot.
Better sound control
It should have sound controls like parametric and digital time correction. These controls are available on high-end receivers and are not too expensive.
You can expand your system only if you have an audio or video output, axillary inputs and USB connections. Get a stereo with a preamp output because it’s the only thing that allows you to connect amplifiers, which, in turn, powers your subwoofers.
Buying and replacing stereos requires you to be keen, remember that you want something that can last for long and providing great services as well. There is nothing wrong with upgrading your stereo system go for it.